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FIGHTING SHIPS OF THE WORLD
UNITED STATES OF AMERICA
COAST GUARD SHIPS AND CRAFT
HAIDA cutters (1921- 1922)


Photo



Modoc

Ships


No Name Yard No Builder Laid down Launched Comm Fate
WPG45 Haida 16 Union Construction Wks, Oakland 9/1920 19.4.1921 10/1921 sold 1.1948
WPG46 Modoc 17 Union Construction Wks, Oakland 10/1921 1.10.1922 12.1922 for disposal 2.1947
WPG47 Mojave 18 Union Construction Wks, Oakland 1920 7.9.1921 12.1921 for disposal 7.1947
WPG48 Tampa 19 Union Construction Wks, Oakland 9/1920 19.4.1921 9.1921 for disposal 2.1947


Technical data


Displacement standard, t1506
Displacement full, t1955
Length, m73.2
Breadth, m11.9
Draught, m5.03
No of shafts1
Machinery

1 electric motor, 1 General Electric turbo-generator, 2 Babcock & Wilcox boilers
Power, h. p.2600
Max speed, kts15
Fuel, t

oil 300
Endurance, nm(kts)5500 (9)
Armament

WPG45, 47, 48: 2 x 1 - 127/51 Mk 7.8, 2 x 1 - 57/50 Mk 8, 1 x 1 - 37/50 Mk 4

WPG46: 2 x 1 - 127/51 Mk 7.8, 1 x 1 - 76/50 Mk 10, 2 x 1 - 57/50 Mk 8
Complement122


Graphics


<i>Modoc</i>
Modoc


Project history

First cutters with diesel-electric machinery. They were served as prototypes for 10 "Lake" class cutters.

Modernizations

1941, Modoc: - 2 x 1 - 57/50; + 2 x 1 - 12.7/90, 4 DCT, 2 DCR, QCJ-3 sonar

1942, Haida, Mojave, Tampa: - 2 x 1 - 57/50, 1 x 1 - 37/50; + 1 x 1 - 76/50 Mk 20, 2 x 1 - 12.7/90, 4 DCT, 2 DCR, QCJ-2/3 sonar.

1943, Haida; Mojave, Tampa: - 2 x 1 - 127/51, 2 x 1 - 12.7/90; + 1 x 1 - 76/50 Mk 20, 4 x 1 - 20/70 Mk 4, 2 x 4 - 178 Mousetrap Mk 20 ASWRL, SA, SL radars

1945, Modoc: - 2 x 1 - 127/51, 1 x 1 - 76/50, 2 x 1 - 12.7/90; + 2 x 1 - 76/50 Mk 20, SF-1, SC-3 radars

1945, Mojave: - SA, SL radars, QCJ-3 sonar; + SF-1, SC-3 radars, QCL-2 sonar

1945, Tampa: - SA, SL radars; + SF-1, SC-3 radars

1/1946, WPG45: 2 x 1 -76/50 Mk 20/21, 4 x 1 - 20/70 Mk 10, 2 x 4 - 178 Mousetrap Mk 20 ASWRL, 4 DCT, 2 DCR, radars, SA, SL radars, QCJ sonar

1/1946, WPG46, 48: 2 x 1 -76/50 Mk 20/21, 4 x 1 - 20/70 Mk 10, 2 x 4 - 178 Mousetrap Mk 20 ASWRL, 4 DCT, 2 DCR, radars, SC, SF radars, QCJ sonar

1/1946, WPG47: 2 x 1 -76/50 Mk 20/21, 4 x 1 - 20/70 Mk 10, 2 x 4 - 178 Mousetrap Mk 20 ASWRL, 4 DCT, 2 DCR, radars, SC, SF radars, QCL sonar

Naval service

No significant events.